The Fandom Post is reporting that the Roku Channel has added the GoShogun anime to its lineup. The anime is available in its original Japanese language with English subtitles. As of this writing, it is only available to viewers in the United States and Canada.
GoShogun was directed by Kunihiko Yuyama, based on series composition by Takeshi Suto. Ashi Production animated the series. The series premiere on Japanese television in 1981.
Source: The Fandom Post